<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./js//vue.js"></script>
</head>
<body>
    <div id="app">
        <h1>{{str}}</h1>
        <h1>{{num}}</h1>    
        <h1>{{bol}}</h1>
        <h1>{{un}}</h1>
        <h1>{{nu}}</h1>
        <h1>{{nu}}</h1>
        <h1>{{nu}}</h1>
        <h1>{{obj}}</h1>
        <h1>{{arr[0]}}</h1>
    </div>

    <script>
        new Vue({
            el:"#app",
            data:{
                str: "啦啦啦",
                num: 111,
                bol: true,
                un:undefined,
                nu:null,
                obj: {
                    uname:"张三",
                    age:1
                },
                arr:[1,2,3,4,5]
            }
        })
    </script>
</body>
</html>